code: def test_getwche(self):
      self.check_getwch("getwche")
  
imports: import os
  import subprocess
  import sys
  import unittest
  from textwrap import dedent
  from test.support import os_helper, requires_resource
  from test.support.os_helper import TESTFN, TESTFN_ASCII
  import _winapi
  import msvcrt
label_desc: Use image node_id 7 for calling the TestConsoleIO obj's underlying member method code with example usage: obj.test_getwche() without return types